Base | Representation |
---|---|
bin | 1101001000000010001100… |
… | …11010110100010011101101 |
3 | 10210012022101022010200122202 |
4 | 12210001012122310103231 |
5 | 12240344131041223422 |
6 | 141215351214551245 |
7 | 6036211003061222 |
oct | 644010632642355 |
9 | 123168338120582 |
10 | 28863361664237 |
11 | 9218979214131 |
12 | 32a1ab5508525 |
13 | 1314a59ba4379 |
14 | 71adcbd83949 |
15 | 350c07a24b92 |
hex | 1a40466b44ed |
28863361664237 has 8 divisors (see below), whose sum is σ = 29147471287200. Its totient is φ = 28579517941104.
The previous prime is 28863361664231. The next prime is 28863361664239. The reversal of 28863361664237 is 73246616336882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28863361664237 - 26 = 28863361664173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28863361664231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66256787 + ... + 66690992.
It is an arithmetic number, because the mean of its divisors is an integer number (3643433910900).
Almost surely, 228863361664237 is an apocalyptic number.
It is an amenable number.
28863361664237 is a deficient number, since it is larger than the sum of its proper divisors (284109622963).
28863361664237 is a wasteful number, since it uses less digits than its factorization.
28863361664237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132949915.
The product of its digits is 250822656, while the sum is 65.
The spelling of 28863361664237 in words is "twenty-eight trillion, eight hundred sixty-three billion, three hundred sixty-one million, six hundred sixty-four thousand, two hundred thirty-seven".
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